Is a small, flexible rod inserted under a person's skin that releases hormones to prevent
The
fertilization
The
is worn on a person's outer body and releases hormones to prevent the ovaries from releasing
eggs.
The
is a dome-shaped piece of rubber placed inside the vagina before sexual intercourse.
is worn on the penis to block sperms from entering the vagina.
The
Done

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.